/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "adc.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "dht11.h"
#include <stdio.h>
#include <string.h>
#include "adc.h"
#include "seg.h"
#include "delay.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
#define DEVICE_ID	"ljy" //定义设备 ID,用于唯一的标识当前设备
	uint32_t Lgt_val;
/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
volatile char cmd;//用于存放移动端发送过来的控制命令

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_TIM2_Init();
  MX_USART1_UART_Init();
  MX_USART2_UART_Init();
  MX_ADC1_Init();
  MX_TIM3_Init();
  /* USER CODE BEGIN 2 */
	//用中断的方式接受数据


HAL_TIM_Base_Start_IT(&htim2);
HAL_TIM_Base_Start_IT(&htim3); 

Seg_Init(); 
Seg_Off();  
HAL_UART_Receive_IT(&huart2,(uint8_t*)&cmd,sizeof(cmd));
//HAL_UART_Receive_IT(&huart1,(uint8_t*)&cmd,sizeof(cmd));

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
	float temp;
	uint8_t humi;
	char s[100];
  while (1)
  {
	 
		if(DHT11_Get(&temp,&humi) == 0)
		{
		sprintf(s,"%s/sensor/dht11 %.1f_%u\n",DEVICE_ID, temp, humi);
		HAL_UART_Transmit(&huart1,(uint8_t*)s,strlen(s),1000);
			//将采集到的温湿度数据上传给云端平台
			HAL_UART_Transmit(&huart2,(uint8_t*)s,strlen(s),1000);
		}
		
		//上传传感器数据
		Lgt_val = Get_Lgh_Val();
		sprintf(s,"%s/sensor/adc %d\n",DEVICE_ID, Lgt_val);
		HAL_UART_Transmit(&huart2,(uint8_t*)s,strlen(s),1000);
		//上传 LED 状态
		sprintf(s,"%s/state/led %d\n",DEVICE_ID, HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_1));
		HAL_UART_Transmit(&huart2,(uint8_t*)s,strlen(s),1000);

		//蜂鸣器的状态
		sprintf(s,"%s/state/beep %d\n",DEVICE_ID, HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_7));
		HAL_UART_Transmit(&huart2,(uint8_t*)s,strlen(s),1000);

	 static uint8_t last_seg_value = 0;
    static SegState last_seg_power = SEG_OFF;
    
    if(last_seg_value != seg_value) {
        sprintf(s, "%s/state/seg %d\n", DEVICE_ID, seg_value); 
        HAL_UART_Transmit(&huart2, (uint8_t*)s, strlen(s), 1000);
        last_seg_value = seg_value;
    }
    
    if(last_seg_power != seg_power) {
        sprintf(s, "%s/state/segPower %d\n", DEVICE_ID, seg_power); 
        HAL_UART_Transmit(&huart2, (uint8_t*)s, strlen(s), 1000);
        last_seg_power = seg_power;
    }
 
    HAL_Delay(100); // 缩短延时以提高响应速度

    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
  PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
    if(htim == &htim3) // 确认是TIM3定时器中断
    {
        Seg_Update(); 
    }
	
}
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{

	if(huart == &huart2)
	{
			if(cmd == 'a')
			{
			HAL_GPIO_WritePin(GPIOC,GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3,GPIO_PIN_SET);
			}
			else if(cmd == 'b')
			{
			HAL_GPIO_WritePin(GPIOC,GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3,GPIO_PIN_RESET);
			}
			else if(cmd == 'c')
			{
			HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_SET);
			}
			else if(cmd == 'd')
			{
			HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_RESET);
			}
		else if(cmd == 'f') // 打开数码管
		{
			Seg_On();
		}
		else if(cmd == 'g') // 关闭数码管
		{
			Seg_Off();
		}
		else if(cmd == 'h') // 数码管值加一
		{
			Seg_Add();
		}
		else if(cmd == 'j') // 数码管值减一
		{
			Seg_Del();
		}
			
	//用中断的方式接收一个字节的数据		
//	HAL_UART_Receive_IT(&huart1,(uint8_t*)&cmd,sizeof(cmd));
			  HAL_UART_Receive_IT(&huart2, (uint8_t*)&cmd, sizeof(cmd));
	}

}
/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
